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Finding the Fourth Proportional to 376.92, 565.41 and 160.56

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Solution

The fourth proportional to 376.92, 565.41 and 160.56 is: 240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.92 : 565.41 = 160.56 : x
  2. Step 2: Convert to fraction form
    376.92/565.41 = 160.56/x
  3. Step 3: Cross multiply
    376.92x = 565.41 × 160.56
  4. Step 4: Simplify right side
    376.92x = 90,782.23
  5. Step 5: Solve for x
    x = 90,782.23/376.92
  6. Step 6: Final answer
    x = 240.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.